Fix transparent shaders, seems that the base setup does not fix all blend mode settings properly.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@3770 dfc29bdd-3216-0410-991c-e03cc46cb475

examples/10.Shaders/main.cpp

@@ -318,6 +318,7 @@ int main()
 	node->setPosition(core::vector3df(0,-10,50));
 	node->setMaterialTexture(0, driver->getTexture("../../media/wall.bmp"));
 	node->setMaterialFlag(video::EMF_LIGHTING, false);
+	node->setMaterialFlag(video::EMF_BLEND_OPERATION, true);
 	node->setMaterialType((video::E_MATERIAL_TYPE)newMaterialType2);
 
 	smgr->addTextSceneNode(gui->getBuiltInFont(),